75
ACCESSORIES INSTALLATION
ENGLISH
2
nd
Circuit
The 2nd circuit is generally used to control the temperature of 2 rooms differently. To use the
2nd Circuit, you need to prepare a separate Mix Kit. The mix kit must be installed in the main
zone.
- Main Zone : zone where the water temperature is lowest when heating.
- Add. Zone : The other zone
[Install Guide 2
nd
Circuit Heating]
h
To use a floor combination during cooling operation, the flow through the floor of the flow
must be blocked by the 2 way valve.
[Install Guide 2
nd
Circuit Cooling]
Main Zone
Add. Zone
Floor (35 °C)
Convector
(FCU, 45 °C)
Radiator (45 °C)
Radiator (55 °C)
Floor (35 °C)
○
X
X
X
Convector (FCU, 45 °C)
○
○
○
X
Radiator (45 °C)
○
○
○
○
Radiator (55 °C)
○
○
○
○
Main Zone
Add. Zone
Floor (18 °C)
Convector
(FCU, 5 °C)
Floor (18 °C)
○
X
Convector (FCU, 5 °C)
X
○
- For 3 Series